212433210313440 has 48 divisors (see below), whose sum is σ = 669164612488848. Its totient is φ = 56648856083456.

The previous prime is 212433210313411. The next prime is 212433210313507. The reversal of 212433210313440 is 44313012334212.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221284593597 + ... + 221284594556.

It is an arithmetic number, because the mean of its divisors is an integer number (13940929426851).

Almost surely, 2^{212433210313440} is an apocalyptic number.

212433210313440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212433210313440 is an abundant number, since it is smaller than the sum of its proper divisors (456731402175408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212433210313440 is a wasteful number, since it uses less digits than its factorization.

212433210313440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442569188171 (or 442569188163 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 212433210313440 its reverse (44313012334212), we get a palindrome (256746222647652).

The spelling of 212433210313440 in words is "two hundred twelve trillion, four hundred thirty-three billion, two hundred ten million, three hundred thirteen thousand, four hundred forty".